4 test positive for coronavirus in East China's Xiamen

XIAMEN -- Four people tested positive for novel coronavirus in nucleic acid testing on Friday in the city of Xiamen, East China's Fujian province, local authorities said.

The cases include a crew member of an international cargo flight and his three family members, according to the municipal headquarters on COVID-19 prevention and control.

Authorities have launched an epidemiological investigation and are expanding nucleic acid testing.